Our books on Brazilian music look at the music, its history and its social contexts. We also have CDs and DVDs.
The Garland Encyclopedia of World Music is an authoritative online resource. Here are links to 3 of its chapters.
Try Oxford Music Online for the Grove Encyclopedia, too - you'll need to log in with your student ID and StudentWeb password, then search. The subject entry for Brazil covers Art Music, Traditional Music and Popular Music.
You can stream music from Music Online.
Click on the link below. You'll need to log in with your student ID and StudentWeb password. Then do an Advanced Search, searching by Brazilian in the Genre box.